<template>
  <div id="add">
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/welcome' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>添加商品</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card>
      <el-alert
        title="添加商品信息"
        type="info"
        center
        show-icon
        :closable="false"
      />
      <el-steps
        :space="200"
        :active="activeIndex - 0"
        finish-status="success"
        align-center
      >
        <el-step title="基本信息"></el-step>
        <el-step title="商品参数"></el-step>
        <el-step title="商品属性"></el-step>
        <el-step title="商品图片"></el-step>
        <el-step title="商品内容"></el-step>
        <el-step title="完成"></el-step>
      </el-steps>
      <el-form :model="addForm" :rules="addRules" ref="addForm">
        <el-tabs
          v-model="activeIndex"
          :tab-position="'left'"
          :before-leave="beforeTabLeave"
          @tab-click="tabClick"
        >
          <el-tab-pane label="基本信息" name="0">
            <el-form-item label="商品名称" prop="goods_name">
              <el-input v-model="addForm.goods_name"> </el-input>
            </el-form-item>
            <el-form-item label="商品价格" prop="goods_price">
              <el-input v-model="addForm.goods_price" type="number"> </el-input>
            </el-form-item>
            <el-form-item label="商品重量" prop="goods_weight">
              <el-input v-model="addForm.goods_weight" type="number">
              </el-input>
            </el-form-item>
            <el-form-item label="商品数量" prop="goods_number">
              <el-input v-model="addForm.goods_number" type="number">
              </el-input>
            </el-form-item>
            <el-form-item label="商品分类" prop="goods_cat">
              <el-cascader
                expandTrigger="hover"
                v-model="addForm.goods_cat"
                :options="cateList"
                :props="cateProps"
                @change="handleChange"
              ></el-cascader>
            </el-form-item>
          </el-tab-pane>
          <el-tab-pane label="商品参数" name="1">
            <el-form-item
              :label="item.attr_name"
              v-for="item in manyData"
              :key="item.attr_id"
            >
              <el-checkbox-group v-model="item.attr_vals">
                <el-checkbox
                  :label="i"
                  border
                  v-for="(i, index) in item.attr_vals"
                  :key="index"
                ></el-checkbox>
              </el-checkbox-group>
            </el-form-item>
          </el-tab-pane>
          <el-tab-pane label="商品属性" name="2">
            <el-form-item
              :label="item.attr_name"
              v-for="item in onlyData"
              :key="item.attr_id"
            >
              <el-input v-model="item.attr_vals"></el-input>
            </el-form-item>
          </el-tab-pane>
          <el-tab-pane label="商品图片" name="3">
            <el-upload
              :action="uploadURL"
              list-type="picture-card"
              :headers="headersObj"
              :on-success="handleSuccess"
              :on-preview="handlePictureCardPreview"
              :on-remove="handleRemove"
            >
              <i class="el-icon-plus"></i>
            </el-upload>
            <el-dialog :visible.sync="dialogVisible" title="图片预览">
              <img width="100%" :src="dialogImageUrl" alt="" />
            </el-dialog>
          </el-tab-pane>
          <el-tab-pane label="商品内容" name="4">
            <quill-editor v-model="addForm.goods_introduce" />
            <el-button
              type="primary"
              class="fl"
              style="marginTop:16px"
              @click="addText"
              >添加商品</el-button
            >
          </el-tab-pane>
        </el-tabs>
      </el-form>
    </el-card>
  </div>
</template>

<script>
import "@/assets/css/goods/add.scss";
import _ from "lodash";

export default {
  data() {
    return {
      activeIndex: "0",
      addForm: {
        goods_name: "",
        goods_price: 0,
        goods_weight: 0,
        goods_number: 0,
        goods_cat: [],
        pics: [],
        goods_introduce: "",
        attrs: [],
      },
      addRules: {
        goods_name: [
          { required: true, message: "请输入商品名称", trigger: "blur" },
        ],
        goods_price: [
          { required: true, message: "请输入商品价格", trigger: "blur" },
        ],
        goods_weight: [
          { required: true, message: "请输入商品重量", trigger: "blur" },
        ],
        goods_number: [
          { required: true, message: "请输入商品数量", trigger: "blur" },
        ],
        goods_cat: [
          { required: true, message: "请选择商品分类", trigger: "blur" },
        ],
      },
      cateList: [],
      cateProps: {
        value: "cat_id",
        label: "cat_name",
        children: "children",
      },
      manyData: [],
      checkList: [],
      onlyData: [],
      uploadURL: "https://www.liulongbin.top:8888/api/private/v1/upload",
      headersObj: {
        Authorization: window.sessionStorage.getItem("token"),
      },
      dialogVisible: false,
      dialogImageUrl: "",
    };
  },
  created() {
    this.getCateList();
  },
  methods: {
    async getCateList() {
      const { data: res } = await this.axios.get("categories");
      if (res.meta.status == 200) {
        this.cateList = res.data;
      } else {
        this.$message.error(res.meta.msg);
      }
    },
    handleChange() {
      if (this.addForm.goods_cat.length !== 3) {
        this.addForm.goods_cat = [];
      }
    },
    beforeTabLeave(active, old) {
      if (old == "0" && this.addForm.goods_cat.length !== 3) {
        this.$message.error("请选择商品分类");
        return false;
      }
    },
    async tabClick() {
      if (this.activeIndex == 1) {
        const { data: res } = await this.axios.get(
          `categories/${this.cateId}/attributes`,
          {
            params: { sel: "many" },
          }
        );
        if (res.meta.status == 200) {
          res.data.forEach((item) => {
            item.attr_vals =
              item.attr_vals.length === 0 ? [] : item.attr_vals.split(",");
          });
          this.manyData = res.data;
        } else {
          this.$message.error(res.meta.msg);
        }
      } else if (this.activeIndex == 2) {
        const { data: res } = await this.axios.get(
          `categories/${this.cateId}/attributes`,
          {
            params: { sel: "only" },
          }
        );
        if (res.meta.status == 200) {
          this.onlyData = res.data;
        } else {
          this.$message.error(res.meta.msg);
        }
      }
    },
    handlePictureCardPreview(file) {
      this.dialogImageUrl = file.response.data.url;
      this.dialogVisible = true;
    },
    handleSuccess(response) {
      if (response.meta.status == 200) {
        this.$message.success(response.meta.msg);
        const picInfo = {
          pic: response.data.tmp_path,
        };
        this.addForm.pics.push(picInfo);
      } else return;
    },
    handleRemove(file) {
      const filePath = file.response.data.tmp_path;
      const i = this.addForm.pics.findIndex((item) => {
        item.pic == filePath;
      });
      this.addForm.pics.splice(i, 1);
    },
    addText() {
      // console.log(this.addForm)
      this.$refs.addForm.validate(async (valid) => {
        if (valid) {
          console.log(this.onlyData);
          const form = _.cloneDeep(this.addForm);
          form.goods_cat = form.goods_cat.join(",");
          this.manyData.forEach((item) => {
            const newInfo = {
              attr_id: item.attr_id,
              attr_value: item.attr_vals.join(","),
            };
            this.addForm.attrs.push(newInfo);
          });
          this.onlyData.forEach((item) => {
            const newInfo = {
              attr_id: item.attr_id,
              attr_value: item.attr_vals,
            };
            this.addForm.attrs.push(newInfo);
          });
          form.attrs = this.addForm.attrs;
          // console.log(form);
          const { data: res } = await this.axios.post("goods", form);
          if (res.meta.status == 201) {
            this.$message.success(res.meta.msg);
            this.$router.push('/goods')
          } else {
            this.$message.error(res.meta.msg);
          }
        } else {
          this.$message.error("请填写正确的添加商品信息");
        }
      });
    },
  },
  computed: {
    cateId() {
      if (this.addForm.goods_cat.length == 3) {
        return this.addForm.goods_cat[2];
      }
      return null;
    },
  },
};
</script>

<style scoped></style>
